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June 14th, 2016 14:00

Inter-VLAN routing on Dell X4012

According to specification Dell X4012 is Layer2+ switch that supports inter-VLAN routing. 

There are several references about this in original Dell documents e.g. "Dell Networking Small Business Reference Architecture 1.1"

The Small Business Reference Architecture utilizes the X4012 switch,
which defaults to Layer 2+ mode, to handle all VLAN-to-VLAN communications. Several VLANS have been configured to provide what a typical branch, remote office or SoHo might need. Figure 12 shows an example of a VLAN configuration. To see the full configuration of the Dell Networking X4012 used in this example, refer to the X4012 Distribution switch.pdf attachment.

Can anyone share this mysterious X4012 Distribution switch.pdf or point me on some information, how to configure inter-VLAN routing on X4012?

5 Practitioner

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274.2K Posts

June 15th, 2016 07:00

The X4012 is going to default to Layer 2+ mode. In this mode the switch should route between VLANs that have IP addresses assigned to them. The Reference document download includes the "X4012 Distribution switch.pdf".

http://dell.to/1PLfezQ

Here is the contents of that PDF:

config-file-header
v3.0.0.64 / RASTUTE_800_013
CLI v1.0
set system
@
vlan database
vlan 5-7,10,15,100
exit
voice vlan oui-table add 000181 Nortel__________________
voice vlan oui-table add 0001e3 Siemens_AG_phone________
voice vlan oui-table add 00036b Cisco_phone_____________
voice vlan oui-table add 00096e Avaya___________________
voice vlan oui-table add 000fe2 H3C_Aolynk______________
voice vlan oui-table add 001049 Shoretel________________
voice vlan oui-table add 0060b9 Philips_and_NEC_AG_phone
voice vlan oui-table add 00907a Polycom/Veritel_phone___
voice vlan oui-table add 00e0bb 3Com_phone______________
ip dhcp relay address 172.25.169.56
ip dhcp relay enable
username admin password encrypted b0b1415999a3e26daa44914d943ff03b5cdf0c92 privilege 15
snmp-server community Public ro view Default
!
interface vlan 1
name Default_Vlan
ip address 10.1.1.20 255.255.255.0
no ip address dhcp
ip dhcp relay enable
!
interface vlan 5
name Security_Vlan
ip address 10.1.5.20 255.255.255.0
!
interface vlan 6
name Employee_Vlan
ip address 10.1.6.20 255.255.255.0
ip dhcp relay enable
!
interface vlan 7
name Guest_Vlan
ip address 10.1.7.20 255.255.255.0
ip dhcp relay enable
!
interface vlan 10
name VoIP
ip address 10.1.10.20 255.255.255.0
ip dhcp relay enable
!
interface vlan 15
name Security_Camera
ip address 10.1.15.20 255.255.255.0
!
interface vlan 100
name "DHCP Relay"
ip address 172.25.169.20 255.255.0.0
ip dhcp relay enable
!
interface tengigabitethernet1/0/1
no eee enable
description LAG12_to_Port1_R1_2210
channel-group 12 mode auto
switchport mode trunk
no eee lldp enable
!
interface tengigabitethernet1/0/2
no eee enable
description LAG12_to_Port2_R1_2210
channel-group 12 mode auto
switchport mode trunk
no eee lldp enable
!
interface tengigabitethernet1/0/4
speed 1000
flowcontrol on
description management
no eee lldp enable
green-ethernet short-reach
!
interface tengigabitethernet1/0/5
switchport access vlan 5
!
interface tengigabitethernet1/0/6
switchport access vlan 100
!
interface tengigabitethernet1/0/7
switchport access vlan 100
!
interface tengigabitethernet1/0/8
speed 1000
flowcontrol on
description "management version 1"
!
interface tengigabitethernet1/0/11
description LAG11_to_Port51_X1052
channel-group 11 mode auto
switchport mode trunk
!
interface tengigabitethernet1/0/12
description LAG11_to_Port52_X1052
channel-group 11 mode auto
switchport mode trunk
!
interface Port-channel11
description X4012_ports1112_X1052_ports5152
switchport mode trunk
!
interface Port-channel12
flowcontrol on
description R1_2210_Ports1_2_X4012_Ports1_2
switchport mode trunk
!
exit
ip default-gateway 10.1.5.254
ip route 172.25.0.0 /16 10.1.5.254 metric 2
ip route 172.25.10.1 /32 10.1.5.254
ip route 172.25.171.0 /24 10.1.5.254
ip route 172.25.172.0 /24 10.1.5.254
ip route 172.25.173.0 /24 10.1.5

1 Message

September 7th, 2018 10:00

Happen to be looking at the same document.  Are the last lines in the config file correct?:

 

ip route 172.25.0.0 /16 10.1.5.254 metric 2
ip route 172.25.10.1 /32 10.1.5.254
ip route 172.25.171.0 /24 10.1.5.254
ip route 172.25.172.0 /24 10.1.5.254
ip route 172.25.173.0 /24 10.1.5.254

 

Those subnets aren't referenced in any of the other config files or the document.  I'm thinking that those lines are there for inter-VLAN routing, and based on the earlier part of the config they should probably be something more like:

ip route 10.1.5.0 /24 10.1.5.254
ip route 10.1.6.0 /24 10.1.5.254
ip route 10.1.7.0 /24 10.1.5.254
ip route 10.1.10.0 /24 10.1.5.254
ip route 10.1.15.0 /24 10.1.5.254

 


But maybe I don't understand the configuration completely yet...

 

5 Practitioner

 • 

274.2K Posts

September 11th, 2018 05:00

Good catch, I am not sure what happened there, but you are correct. The routes you posted are the correct routes. Sorry about the incorrect information.

Cheers

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